shylie/llvm-project
1
0
Fork 0
Code Issues Pull Requests Actions 6 Packages Projects Releases Wiki Activity
llvm-project/llvm/test/Transforms/LoopStrengthReduce
History
Roman Lebedev 78b8ce40ef
Reland [SCEV] Improve modelling for (null) pointer constants 
This reverts commit 329aeb5db43f5e69df038fb20d2def77fe6f8595,
and relands commit 61f006ac655431bd44b9e089f74c73bec0c1a48c.

This is a continuation of D89456.

As it was suggested there, now that SCEV models `PtrToInt`,
we can try to improve SCEV's pointer handling.
In particular, i believe, i will need this in the future
to further fix `SCEVAddExpr`operation type handling.

This removes special handling of `ConstantPointerNull`
from `ScalarEvolution::createSCEV()`, and add constant folding
into `ScalarEvolution::getPtrToIntExpr()`.
This way, `null` constants stay as such in SCEV's,
but gracefully become zero integers when asked.

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D98147
2021-03-13 16:05:34 +03:00
..
AArch64
Mark FMOV constant materialization as being as cheap as a move.
2020-09-10 16:38:59 +00:00
AMDGPU
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
ARM
Precommit tests that have poison as shufflevector's placeholder
2020-12-29 17:09:31 +09:00
NVPTX
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
Power
[PowerPC] implement target hook getTgtMemIntrinsic
2020-10-07 00:02:44 -04:00
X86
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
2005-08-15-AddRecIV.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-08-17-OutOfLoopVariant.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-09-12-UsesOutOutsideOfLoop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2007-04-23-UseIterator.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2008-08-13-CmpStride.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2008-09-09-Overflow.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2009-01-13-nonconstant-stride-outside-loop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2009-04-28-no-reduce-mul.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-07-19-CritEdgeBreakCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-10-03-CritEdgeMerge.ll
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
2011-10-06-ReusePhi.ll
[SCEV] Use NoWrapFlags when expanding a simple mul
2019-06-17 10:05:18 +00:00
2011-10-13-SCEVChain.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-10-14-IntPtr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-12-19-PostincQuadratic.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-01-02-nopreheader.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-01-16-nopreheader.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-03-15-nopreheader.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-03-26-constexpr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-07-13-ExpandUDiv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-07-18-LimitReassociate.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2013-01-05-IndBr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2013-01-14-ReuseCast.ll
[SCEV] Add explicit representations of umin/smin
2019-05-07 15:28:47 +00:00
addrec-gep-address-space.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
addrec-gep.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
address-space-loop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
callbr-critical-edge-splitting2.ll
BreakCriticalEdges: do not split the critical edge from a CallBr indirect successor
2021-01-15 13:51:47 -08:00
callbr-critical-edge-splitting.ll
BreakCriticalEdges: do not split the critical edge from a CallBr indirect successor
2021-01-15 13:51:47 -08:00
count-to-zero.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dbg-preserve-0.ll
Reland [DebugInfo] Improve dbg preservation in LSR.
2020-12-14 16:15:18 +01:00
dbg-preserve-1.ll
[DebugInfo] Avoid LSR crash on large integer inputs
2021-01-05 10:25:37 +00:00
dead-phi.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
different-type-ivs.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dominate-assert.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dont_insert_redundant_ops.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dont_reduce_bytes.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dont_reverse.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dont-hoist-simple-loop-constants.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ephemeral.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
exit_compare_live_range.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
funclet.ll
Revert D71539 "Recommit "[SCEV] Look through single value PHIs.""
2020-09-21 17:21:43 -07:00
gnarly-setupcost.ll
[LSR] Limit the recursion for setup cost
2019-04-23 08:52:21 +00:00
hoist-parent-preheader.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
illegal-addr-modes.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
invariant_value_first_arg.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
invariant_value_first.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ivchain.ll
[NewPM][LSR] Rename strength-reduce -> loop-reduce
2020-07-02 11:15:29 -07:00
lsr-comp-time.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
lsr-overflow.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
missing-phi-operand-update.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
multi-edge-latch.ll
[LSR] Add test for multi-edge latch (NFC)
2021-02-06 18:31:45 +01:00
negative-scale.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
nested-reduce.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
nonintegral.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
nonlinear-postinc.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ops_after_indvar.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
phi_node_update_multiple_preds.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
post-inc-icmpzero.ll
Revert "Return "[SCEV] Use isBasicBlockEntryGuardedByCond in isLoopBackedgeGuardedByCond", 2nd try"
2020-11-26 18:12:51 +07:00
post-inc-optsize.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
post-increment-insertion.ll
[LSR] Unify scheduling of existing and inserted addrecs
2021-03-03 12:07:55 -08:00
pr2537.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr2570.ll
[NFC][LSR] Avoid undefined grep in pr2570.ll
2019-06-19 16:02:54 +00:00
pr3086.ll
[test] Fix tests using -analyze that fail under NPM
2020-10-21 21:54:30 -07:00
pr3399.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr3571.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr12018.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr12048.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr12691.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr18165.ll
Migrate function attribute "no-frame-pointer-elim" to "frame-pointer"="all" as cleanups after D56351
2019-12-24 15:57:33 -08:00
pr25541.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr27056.ll
[SCEVExpander] Avoid re-using existing casts if it means updating users.
2020-08-09 13:25:17 +01:00
pr31627.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr48725.ll
[SCEV] Do not cache comparison result upon reached max depth as "equivalence". PR48725
2021-01-29 12:08:34 +07:00
preserve-gep-loop-variant.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
related_indvars.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
remove_indvar.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
scaling_factor_cost_crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
scev-after-loopinstsimplify.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
scev-expander-lcssa.ll
[SCEV] Add additional tests.
2020-07-28 16:15:57 +01:00
scev-insertpt-bug.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sext-ind-var.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
share_code_in_preheader.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
share_ivs.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shl.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
two-combinations-bug.ll
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
uglygep-address-space.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
uglygep.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
use_postinc_value_outside_loop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
var_stride_used_by_compare.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
variable_stride.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00